EP1490566B1 - Paneel sowie verriegelungssystem für paneele - Google Patents

Paneel sowie verriegelungssystem für paneele Download PDF

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Publication number
EP1490566B1
EP1490566B1 EP03722237A EP03722237A EP1490566B1 EP 1490566 B1 EP1490566 B1 EP 1490566B1 EP 03722237 A EP03722237 A EP 03722237A EP 03722237 A EP03722237 A EP 03722237A EP 1490566 B1 EP1490566 B1 EP 1490566B1
Authority
EP
European Patent Office
Prior art keywords
profile
panel
tongue
panels
locking system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03722237A
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German (de)
English (en)
French (fr)
Other versions
EP1490566A1 (de
Inventor
Ralf Eisermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akzenta Paneele and Profile GmbH
Original Assignee
Akzenta Paneele and Profile GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Akzenta Paneele and Profile GmbH filed Critical Akzenta Paneele and Profile GmbH
Publication of EP1490566A1 publication Critical patent/EP1490566A1/de
Application granted granted Critical
Publication of EP1490566B1 publication Critical patent/EP1490566B1/de
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0153—Joining sheets, plates or panels with edges in abutting relationship by rotating the sheets, plates or panels around an axis which is parallel to the abutting edges, possibly combined with a sliding movement
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
    • E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/05—Separate connectors or inserts, e.g. pegs, pins, keys or strips
    • E04F2201/0594—Hinge-like connectors

Definitions

  • the invention relates to a panel and a locking system for panels with at least two opposite edges of the panels arranged edge profiles for positive connection similar panels, comprising an edge profile formed as a groove profile with an upper groove wall with a butting surface and a lower groove wall and a spring profile formed as an edge profile with an abutment surface and a detent projection arranged on a spring underside, which engages in the joined state a detent recess in the lower groove wall of a neighboring panel, the final position of the panels in the direction of the joining process being determined solely by contacting the abutment surface of the spring profile with the abutment surface of the groove profile, wherein the engaging behind edge profiles form a joint, which effect a return effect of the panels in the laying plane both in the upwardly and downwardly deflected state of the compound t, and wherein the panels are lockable by obliquely applying the edge profile of a new panel to the edge profile of a lying panel and then folding down the new panel in the laying plane.
  • Such locking systems are used for example for floor panels, such as parquet panels with real wood surface or laminate panels.
  • the latter are made of a core of MDF, HDF or chipboard and provided with a reproduced surface of an art decor.
  • a generic locking system is known, the compound has a joint function.
  • Such locking systems will be used for floor coverings that are, for example, on uneven surfaces or have to endure a deflection in the connection area because of a soft surface, such as a footfall sound insulation.
  • a deflection of the connection causes a high stress in the region of the tongue and groove profiles of two locked panels, because the compound curves under load.
  • the material of the panels does not tolerate the high stresses in the area of the edge profiles and fails in the connection area.
  • the known articulated locking system leaves much to be desired. Its resistance to being pulled apart at the laying level does not meet future expected quality standards for floors with mechanical locking system. Furthermore, the known articulated connection can be laid in two ways, wherein the laying method described as the second entails the undesirable side effect that the connection has a particularly low resistance to pulling apart.
  • the locking takes place while both panels are in the laying plane, namely by lateral displacement of the panels toward each other.
  • the panels can be locked in this way only because of the degree of Undercut between the latching projection of the spring and the latching recess of the lower groove wall is formed correspondingly small.
  • the catch which can be produced in this way has a strength which is so low that gaps can form on the abutment surfaces of adjacent panels due to the usual change in length of the floor. This is the case, for example, with temperature fluctuations in the floor.
  • occurs in this type of joining a pre-damage of the edge profiles, because they must be subjected to a strong deformation in order to cause a Deutschengreif the undercut of spring and lower groove wall.
  • the spring of the known locking system has a long pointed shape. At the top of the spring an inclined surface is arranged to facilitate the threading of the spring tip into the groove. With manual handling, the spring proves to be very vulnerable because of their pointed shape. This is detrimental to ease of installation, durability and serviceability of the product.
  • the invention has for its object to provide a locking system for an articulated panel connection, which has a better stability than the known locking system.
  • the object is achieved in that the upper groove wall has on the inside a free surface which opens to the free end of the groove wall, and that the spring profile has at its free end a blunt surface adjacent to a leveling surface of a spring top of the spring profile.
  • a leveling surface extending to the groove bottom is connected to the free surface, via which an exact height alignment without height offset between locked panels is brought about.
  • the running from the free surface to the groove bottom piece of the inside of the upper groove wall forms the leveling surface whose distance to the surface of the panel with the distance measure of the spring top to the surface of the panel exactly matches, so that no height offset occurs between locked panels.
  • the free surface may have a curved or a flat course, with a straight course is favorable production technology and a curved course is still a little gentler for the joining process of the panels.
  • the surface pressure is slightly lower than when a contact of the spring profile with the edge at the end of the flat free surface.
  • said leveling surface is provided, which cooperates in the joined state of the panels with the leveling surface of the upper groove wall. Since the upper groove wall at the front free end has a free surface, the leveling surface of the spring is only partially in contact with the leveling surface of the upper groove wall, namely in the region of the free end of the spring. If the leveling surface of the spring were in contact with the upper groove wall along the entire length of the spring surface, a rigid connection would result.
  • the open space gives the connection a compliance that favors the joint function of the connection and reduces the stresses in the material of the edge profiles.
  • connection for a deflection of the connection to the laying surface out a free space is created by the free space, so that the spring top can be moved to the open space without early on this abut.
  • the flexibility of the connection thus created allows the joint movement without causing a break in the spring or damaging the groove walls due to excessive stresses.
  • the handling and durability of the locking system is improved when the spring dimension by which the spring protrudes beyond the upper edge of the panel is less than or equal to the thickness of the upper groove wall of the groove profile.
  • a spring with these dimensions is a short spring compared to the prior art.
  • the short spring has the advantage that when obliquely inserted into a groove profile, a relatively short Einfädelweg the spring must be covered.
  • the proposed locking system is therefore particularly easy to handle easy to handle and can be laid much faster than the known locking system.
  • the spring has at its free end a blunt surface which is more robust and durable compared to the pointed shape of the spring of the known locking system.
  • the groove depth of the groove profile, around which the groove projects behind the upper edge of the panel formed about half deeper than the spring size described above.
  • the groove depth is 3/3
  • the spring protrudes in the assembled state of two panels by a spring dimension of 2/3 into the groove, so that between the free end of the spring and the groove bottom Free space exists, which has approximately a residual depth of 1/3 of the groove depth.
  • the large groove depth affects the resilient length of the free from the edge of a panel protruding bottom groove wall. This makes the connection yieldingly reduces the stresses in the material and therefore increases the durability of the connection.
  • the resilient length of the lower groove wall corresponds to almost the thickness of the panel. This is because then the required at the free end of the lower groove wall travel relative to the Length of the spring is relatively small and the elastic expansion caused when joining the panels only low stresses in the material, which are easily tolerated.
  • the depth of the recess in the lower groove wall is about one third of the thickness of the spring.
  • the blending dimensions at the edges of the panels are relatively low. They are preferably different on the Nutprofilseite and on the spring profile side.
  • a preferred Verites which is approximately between 1/3 and 1/4 of the thickness of the panel. It substantially corresponds to the extent to which the spring protrudes from the upper edge of the panel.
  • a panel, in particular floor panel is equipped with a locking system according to the invention.
  • the locking profile is preferably used for laminate floor panels consisting of a core material of HDF, MDF or chipboard, wherein the edge profiles of the locking system are milled on the edges of the panels.
  • the locking system 1 consists of two positive interlocking edge profiles, which are arranged at the edges of a panel 2 and 3, respectively.
  • the edge profiles are largely complementary to one another as a groove profile 4 and spring profile 5 is formed.
  • the groove profile 4 at one edge of a panel 2 or 3 is always a spring profile 5 at the opposite edge of the same panel 2 or 3 opposite.
  • the locking system 1 is provided on all opposite sides of a panel 2 or 3.
  • the described embodiment relates to floor panels which are provided with the locking system according to the invention.
  • the locking system can of course be used, for example, also for wall and ceiling trim panels or panels for fence or house construction, in which the problem of deflection appears to a lesser extent.
  • the locking system according to the invention is a modified tongue and groove profile.
  • the groove walls 6 and 7 of the groove profile 4 project different from the edge of the panel 3.
  • Spring profile 5 and groove profile 4 are so adapted to each other with their aforementioned protruding groove walls 6 and 7 or the recessed areas 8 and 9, that an assembly is possible.
  • a concave recess 11 is incorporated in the inside of the lower groove wall 7, which is engaged behind by a convex locking projection 12 in the assembled state shown in FIG.
  • the convex latching projection 12 is arranged on the underside of the spring 10 facing the laying substrate U.
  • a skirt 13 forms a resistance to the flat pulling out of the spring 10 of the panel 2 from the groove profile 4 of the neighboring panel.
  • edges of the edge profiles are in contact with each other only at three areas.
  • first is the laying surface U facing away from the upper edge of the two panels 2 and 3, where there is a closed gap-free joint.
  • Shock surfaces 14 and 15 are in contact here.
  • the second contact point is the contact point between the upper side of the spring and the inner side of the upper groove wall.
  • leveling surfaces 16 and 17 of the two edge profiles in contact with each other, wherein both the leveling surface 16 of the spring 10 and the leveling surface 17 of the upper groove wall 6 exactly the same distance to the top of the respective panel 2 and 3 respectively. In this way, a height offset between the joined panels 2 and 3 is avoided.
  • the third point of contact is the contact between the concave recess 11 of the lower groove wall 7 and the convex locking projection 12 of the spring 10.
  • This contact point is located on the free end of the lower groove wall 7 facing part of the recess 11. Between these contact points are generous free spaces 18, 19 and Provided 20 so that a contact actually always takes place only at the desired contact points and a gap-free closed joint is ensured at the top of a floor covering and no height offset comes about.
  • a flat free surface 21 is provided on the inside of the upper groove wall 6, whereby the spring top only serves as a leveling surface 16 in the region of its free end, which is in contact with the leveling surface 17 of the upper groove wall 6.
  • a spring dimension f is shown by which the spring 10 projects beyond the upper edge of the panel 2. This spring dimension f is less than or equal to the thickness n of the upper groove wall 6. This is a relatively low cantilevered spring 10.
  • Due to the inclined free surface 21 on the upper groove wall 6 a wide mouth-like opening 22 is formed, in which the short Feather 10 is very easy to insert. Because of the shortness of the spring 10 also results in a very short Einfädelweg until the spring 10 is completely inserted into the groove.
  • the joining of panels, which are equipped with this locking system is very simple and much faster to carry out by hand than with panels having the known locking system.
  • the groove depth t by which the groove projects behind the upper edge of the panel 3, is formed deeper by about half than the spring dimension f. Such a groove depth t would not be necessary for receiving the spring 10. However, it favors the resilience of the groove walls 6 and 7, in particular the lower groove wall 7, which must be expanded resiliently to join the panels 2 and 3 by a small amount. By the spring elasticity of the material results in a reset effect. The panels 2 and 3 spring back into the zero position shown in FIG. 1, in which both panels are in a common plane. The resulting space 19 also serves to receive dirt particles that may get into the connection during installation of the panels 2 and 3.
  • the compound can be improved by the addition of adhesive in the space 19, but depending on the choice of the adhesive, a change in the joint properties of the compound occurs.
  • FIG. 2 shows the application of a panel 2 with the spring profile 5 to the groove profile 4 of a panel 3 already located on the laying substrate U.
  • the blunt free end 23 of the spring 10 can be inserted very obliquely on a short threading path.
  • a second edge contact 25 results at the top of the spring with the upper groove wall 6 and a third contact 26 on the convex locking projection 12 of the spring 10 and the concave recess 11 of the lower Groove wall 7. From the position shown in Fig. 2, a minimal expansion, essentially by Wegfedern of the lower groove wall 7 to the laying surface U out by continuation of the joining operation.
  • the convex locking projection 12 of the spring 10 is moved into the recess 11 of the lower groove wall 7 and reaches the final position of the panels 2 and 3, as shown in Fig. 1.
  • the latching projection 12 of the spring 10 engages behind the edge strip of the lower groove wall 7 and ensures a firm hold against plan pulling apart.
  • the locking system 1 is used for floor coverings which rest for example on uneven laying grounds U.
  • uneven installation substrates U it may happen that the panels 2 and 3 in the region of a connection point have no contact with the ground but air is present. At ballast in the area of the connection this bends. Therefore, a deflection of the edge profiles must be tolerated in the connection area.
  • a curvature of the connection can also occur on a level surface U underground. This is when the panels 2 and 3 are laid on a soft base, for example a footfall sound insulation.
  • connection To withstand such loads, constructive measures are provided which give the connection the necessary articulation.
  • the compliance prevents a deflection of the connection causing such high stresses in the region of the groove profile 4 and of the spring profile 5 that the material of the panels 2 and 3 fails under the high stresses.
  • the positions shown in FIGS. 3 and 4 are arbitrary positions for the movement. These are not end positions for joint movement.
  • FIG. 3 shows the connection in a deflection state moving upwards, ie away from the laying substrate U.
  • a small elastic deflection is substantially present on the lower groove wall 7.
  • the lower groove wall 7 exerts a restoring action on the panels 2 and 3, as soon as the load is withdrawn.
  • the free space 20 between the root of the spring 10 and the edge strip 13 of the lower groove wall 7 has been reduced.
  • the existing clearance 20 in this way allows the articulated compliance of the connection.
  • FIG. 4 shows a deflection of the locking system in the opposite direction, towards the laying substrate U.
  • a resilient expansion substantially to note the lower groove wall 7, which likewise exerts a restoring action on the panels 2 and 3 upon withdrawal of the ballast. Due to the joint movement of the free space 18 between the spring 10 and the free surface 21 of the upper groove wall 6 has now reduced. In this case, the clearance 18 allows the articulated compliance of the connection. The free space 20, however, increases.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Floor Finish (AREA)
  • Finishing Walls (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP03722237A 2002-04-04 2003-03-28 Paneel sowie verriegelungssystem für paneele Expired - Lifetime EP1490566B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10214972A DE10214972A1 (de) 2002-04-04 2002-04-04 Paneel sowie Verriegelungssystem für Paneele
DE10214972 2002-04-04
PCT/DE2003/001025 WO2003085222A1 (de) 2002-04-04 2003-03-28 Paneel sowie verriegelungssystem für paneele

Publications (2)

Publication Number Publication Date
EP1490566A1 EP1490566A1 (de) 2004-12-29
EP1490566B1 true EP1490566B1 (de) 2006-08-09

Family

ID=28458585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03722237A Expired - Lifetime EP1490566B1 (de) 2002-04-04 2003-03-28 Paneel sowie verriegelungssystem für paneele

Country Status (11)

Country Link
US (2) US7146772B2 (ru)
EP (1) EP1490566B1 (ru)
CN (1) CN100354491C (ru)
AT (1) ATE335893T1 (ru)
AU (1) AU2003229498A1 (ru)
CA (1) CA2481393C (ru)
DE (3) DE10214972A1 (ru)
ES (1) ES2270017T3 (ru)
PL (1) PL204800B1 (ru)
RU (2) RU2004132214A (ru)
WO (1) WO2003085222A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10947741B2 (en) 2017-04-26 2021-03-16 I4F Licensing Nv Panel and covering

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EP3146126B1 (en) 2014-05-14 2019-12-18 Välinge Innovation AB Set of two idencital panels with a mechanical locking system comprising a flexible tongue
HUE061045T2 (hu) 2014-08-29 2023-05-28 Vaelinge Innovation Ab Függõleges illesztékrendszer felületburkoló panelhez
EP3224427B1 (en) 2014-11-27 2019-09-11 Välinge Innovation AB Set of essentially idencial floor panels with mechanical locking system
DE102015111930A1 (de) * 2015-07-22 2017-01-26 Akzenta Paneele + Profile Gmbh Paneel
CA3008157C (en) 2015-12-17 2023-08-22 Valinge Innovation Ab A method for producing a mechanical locking system for panels
EP3192934A1 (de) 2016-01-14 2017-07-19 Akzenta Paneele + Profile GmbH Paneelelement
CN109415906B (zh) 2016-06-29 2021-11-05 瓦林格创新股份有限公司 用于从榫舌坯料管理和分离榫舌的方法和装置
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CN109311179B (zh) 2016-06-30 2021-09-17 瓦林格创新股份有限公司 用于插入榫舌的设备
CN109790722A (zh) 2016-09-30 2019-05-21 瓦林格创新股份有限公司 通过竖直位移组装并且在竖直和水平方向锁定在一起的镶板组件
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US11441319B2 (en) 2017-04-26 2022-09-13 I4F Licensing Nv Panel and covering

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CA2481393A1 (en) 2003-10-16
ATE335893T1 (de) 2006-09-15
RU2004132214A (ru) 2005-05-20
RU2451783C2 (ru) 2012-05-27
US20030188504A1 (en) 2003-10-09
CA2481393C (en) 2009-06-30
RU2007129572A (ru) 2009-02-10
ES2270017T3 (es) 2007-04-01
EP1490566A1 (de) 2004-12-29
PL204800B1 (pl) 2010-02-26
DE50304572D1 (de) 2006-09-21
DE20220655U1 (de) 2004-01-08
US7146772B2 (en) 2006-12-12
PL374055A1 (en) 2005-09-19
DE10214972A1 (de) 2003-10-30
US7454874B2 (en) 2008-11-25
US20070245670A1 (en) 2007-10-25
CN1643227A (zh) 2005-07-20
WO2003085222A1 (de) 2003-10-16
AU2003229498A1 (en) 2003-10-20
CN100354491C (zh) 2007-12-12

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